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2. Ultrasonic flow meter - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_flow_meter

   Schematic view of a flow sensor. An ultrasonic flow meter is a type of flow meter that measures the velocity of a fluid with ultrasound to calculate volume flow. Using ultrasonic transducers, the flow meter can measure the average velocity along the path of an emitted beam of ultrasound, by averaging the difference in measured transit time between the pulses of ultrasound propagating into and ...

3. Water metering - Wikipedia

   en.wikipedia.org/wiki/Water_metering

   Ultrasonic water meters are highly accurate devices, with residential models capable of measuring flow rates as low as 1 liter per hour (L/h). [2] They feature wide flow measurement ranges, require minimal maintenance, and have long lifespans due to the absence of internal mechanical components that could wear out over time. [3]

4. Flow measurement - Wikipedia

   en.wikipedia.org/wiki/Flow_measurement

   Flow measurement is the quantification of bulk fluid ... with ultrasonic flow meters, ... Portable turbine meters may be temporarily installed to measure water used ...

5. Parshall flume - Wikipedia

   en.wikipedia.org/wiki/Parshall_flume

   Submerged flow occurs when the water surface downstream of the flume is high enough to restrict flow through a flume, submerged flume conditions exist. A backwater buildup effect occurs in a submerged flume. For a flow calculation, a depth measurement both upstream and downstream is needed.

6. Category:Flow meters - Wikipedia

   en.wikipedia.org/wiki/Category:Flow_meters

   Ultrasonic flow meter; Utility submeter; V. Vortex flowmeter; W. Water metering This page was last edited on 7 January 2018, at 21:41 (UTC). Text is available under ...

7. Ultrasound - Wikipedia

   en.wikipedia.org/wiki/Ultrasound

   Ultrasonic sensors are also used to detect intruders; the ultrasound can cover a wide area from a single point. The flow in pipes or open channels can be measured by ultrasonic flowmeters, which measure the average velocity of flowing liquid. In rheology, an acoustic rheometer relies on the principle of ultrasound.